value	unc_up	unc_lo	author	ref	method
7.14	1.600	1.600	Nugent	2016AJ....152...63N	NEATM
7.37	0.160	0.160	Masiero	2014ApJ...791..121M	NEATM
7.80	0.074	0.074	Masiero	2011ApJ...741...68M	NEATM